Alpha Overseas(AOS) is identified as a trader of Duplex Steel S31803 / S32205 Spool Fittings, which is often used in marine and other high chloride environments. Strengths of Duplex Steel S31803 Spool Fittings can in some cases be double that for austenitic stainless steels. The advantage of a duplex structure is that Duplex UNS S31803 Spool Fittings combines the favourable qualities of a ferritic alloy (high strength and stress corrosion cracking resistance) with those of an austenitic alloy (corrosion resistance and ease of fabrication). Forging temperature for Duplex Stainless Steel UNS S31803 Spool Fittings should be 1100 Degree C – 1250 Degree C, where reheat the same as often as necessary and cool in still air. UNS S31803 Duplex Steel Spool Fittings is hot worked in the temperature range of 954 Degree C – 1149 Degree C (1750 Degree F – 2100 Degree F). Use of welding electrodes for Duplex Steel S32205 Spool Fittings is recommended, where preheating and post-heating are not necessary. Duplex Stainless Steel UNS S32205 Spool Fittings is important to note that 2205, offers much higher levels of corrosion resistance than most other austenitic stainless steels.
UNS S32205 Duplex Steel Spool Fittings has high resistance to pitting and crevice corrosion, which is further being used in Pressure Vessels, Valves, Storage Tanks, Condensers, Line Pipe, Flanges and Fittings. Duplex Steel 2205 Spool Fittings is also used in piping, tubing, and also in heat exchangers for the handling of gas and oil.
Our products are made from superior quality Raw Material and are available in Customized Designs to suit different requirements of the clients. Our contemporary technology and constant efforts to acquire new skills to enhance production is the secret of our success and impeccable quality.
ASTM A815 & ASME SA815 Duplex Steel Spool Fittings Specification :
Range : 1/2” NB to 24” NB IN
SCH : 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75
Standard : ASTM / ASME SA 815
Grade : UNS NO. S31803, S32205
Form : spool
|S31803||0.030 max||2.00 max||1.00 max||0.030 max||0.020 max||22.0 – 23.0||3.0 – 3.5||4.50 – 6.50||0.14 – 0.20||63.72 min|
|S32205||0.030 max||2.00 max||1.00 max||0.030 max||0.020 max||21.0 – 23.0||2.50 - 3.50||4.50 – 6.50||0.8 – 0.20||63.54 min|
|Element||Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|Duplex Steel S31803 / S32205||7.8 g/cm3||1350 °C (2460 °F)||Psi – 116000 , MPa – 800||Psi – 80000 , MPa – 550||15 %|
ASIA : UAE , SAUDHI ARABIA , OMAN , KUWAIT , BHARAIN , QATAR , JORADAN , ISRAEL , SRILANKA , MALAYSIA , SINGAPORE , BRUNEI, INDONESIA , PHILIPPINES , RUSSIA , TURKEY .
AFRICA : EGYPT , TANZANIA , SOUTH AFRICA , MOROCCO , ALGERIA , TUNISIA . EUROPE : FRANCE , SPAIN , ITALY , CROATIA , AUSTRIA ,SLOVAKIA , NETHERLAND , CZECHIA , PLOAND , GERMANY , BELGIUM , ALBANIA , SLOVENIA .
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